One more quick load if I may ask 243 Winchester

adccoyote428

Beginner
Nov 10, 2014
60
0
Wanting to try the Norma URP powder in a couple,243's as well.
Nosler brass, 95 grain Nosler bal tip,bullet, Norma URP powder, 2.675 OAL and 1-9.25 twist rate barrel.

Thanks again!
 
Cartridge : .243 Win.
Bullet : .243, 95, Nosler BalTip 24095
Useable Case Capaci: 48.415 grain H2O = 3.144 cm³
Cartridge O.A.L. L6: 2.675 inch = 67.95 mm
Barrel Length : 24.0 inch = 609.6 mm
Powder : Norma URP

Code:
Predicted data by increasing and decreasing the given charge,
incremented in steps of 1.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !

Step    Fill. Charge   Vel.  Energy   Pmax   Pmuz  Prop.Burnt B_Time
 %       %    Grains   fps   ft.lbs    psi    psi      %        ms

-10.0   86    37.80   2793    1646   42180   9721     98.5    1.342
-09.0   87    38.22   2822    1680   43528   9806     98.8    1.323
-08.0   88    38.64   2850    1714   44916   9887     99.0    1.304
-07.0   88    39.06   2879    1748   46347   9964     99.2    1.285
-06.0   89    39.48   2907    1782   47821  10037     99.4    1.267
-05.0   90    39.90   2935    1817   49339  10105     99.6    1.249
-04.0   91    40.32   2963    1852   50904  10169     99.7    1.231
-03.0   92    40.74   2991    1887   52516  10228     99.8    1.214  ! Near Maximum !
-02.0   93    41.16   3018    1922   54177  10282     99.9    1.197  ! Near Maximum !
-01.0   94    41.58   3046    1957   55889  10331    100.0    1.181  ! Near Maximum !
+00.0   95    42.00   3073    1992   57654  10376    100.0    1.165  ! Near Maximum !
+01.0   96    42.42   3100    2028   59472  10417    100.0    1.149  !DANGEROUS LOAD-DO NOT USE!
+02.0   97    42.84   3127    2063   61347  10456    100.0    1.133  !DANGEROUS LOAD-DO NOT USE!
+03.0   98    43.26   3154    2099   63281  10495    100.0    1.118  !DANGEROUS LOAD-DO NOT USE!
+04.0   99    43.68   3181    2134   65274  10533    100.0    1.103  !DANGEROUS LOAD-DO NOT USE!
+05.0  100    44.10   3207    2170   67330  10570    100.0    1.088  !DANGEROUS LOAD-DO NOT USE!

Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba     95    42.00   3187    2142   68564  10000    100.0    1.082  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba     95    42.00   2905    1781   46892  10481     97.2    1.274
 
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